Minn. Stat. § 513.076: NECESSITY OF CONTRACT.

Unless the individuals have executed a contract complying with the provisions of section 513.075, the courts of this state are without jurisdiction to hear and shall dismiss as contrary to public policy any claim by an individual to the earnings or property of another individual if the claim is based on the fact that the individuals lived together in contemplation of sexual relations and out of wedlock within or without this state.